function solv = getSolv
solv.base_lr = 0.0001;
solv.momentum = 0.9;
solv.weight_decay = 0;
solv.lr_policy = "fixed";
solv.test_iter = 1; % test is not important for us 
solv.test_interval = 2000;
solv.display = 500;
solv.max_iter = 120000;
solv.snapshot = 1000;
